Workshop Manuals Factory service & repair Land Rover
01 R380 Manual Gearbox Overhaul Manual - 3rd Edition02 03 04 05 INTRODUCTION06 MANUAL GEARBOX
Land Rover R380 Manual Gearbox Overhaul06 · MANUAL GEARBOX
06 · Transmission

Extension housings - Overhaul

Make
Land Rover
Model
Gearboxes R380 Manual Gearbox Overhaul
Section
OVERHAUL › Extension housings - Overhaul
MANUAL GEARBOXExtension housings - Overhaul
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MANUAL GEARBOX

18

OVERHAUL

Extension housings - Overhaul

Types A and B gearbox

1. Examine for damage to threads and machined

faces.

NOTE: Types A and B gearbox extension
housing shown.

2. Remove 3 screws and remove oil pump,

remove and discard ’O’ ring.

3. Remove oil pick-up pipe and check for

obstruction.

4. Drift out layshaft support bearing.
5. Remove and discard output shaft rear oil seal.
6. Drift out output shaft support bearing and oil

pick up ring.

7. Unscrew reverse inhibitor shaft.
8. Remove reverse inhibitor cam and spring.
9. Remove reverse light switch and sealing

washer, discard sealing washer.

10. Remove gate plate.
11. Check all components for wear and renew as

necessary.

Type C gearbox - As for A and B Types and
including the following:

12. Recover speedometer drive gear and spacer.
13. Check speedometer drive gear for wear and

damage, renew if necessary.

14. Check speedometer pinion for wear and

damage. Check that scrolling on shaft is clear;
renew pinion and shaft if necessary.

15. Check slots in interlock spool for wear, renew

interlock spool if necessary.

Type C and D gearboxes

CAUTION: The output shaft rear oil seal
fitted to Type C and D extension housings
is different to Types A and B. When

levering out seal, take care not to damage the
seal location surfaces.

NOTE: Type D gearbox extension housing
shown.

1. Remove and discard output shaft oil seal.
2. Remove 3 screws and remove oil pump,

remove and discard ’O’ ring.

Parts & tools for this job For Land Rover Gearboxes

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